1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "l2cap/classic/internal/dynamic_channel_service_manager_impl.h"
18 #include "common/bind.h"
19 #include "l2cap/classic/internal/dynamic_channel_service_impl.h"
20 #include "l2cap/psm.h"
21 #include "os/log.h"
22 
23 namespace bluetooth {
24 namespace l2cap {
25 namespace classic {
26 namespace internal {
27 
Register(Psm psm,DynamicChannelServiceImpl::PendingRegistration pending_registration)28 void DynamicChannelServiceManagerImpl::Register(Psm psm,
29                                                 DynamicChannelServiceImpl::PendingRegistration pending_registration) {
30   if (!IsPsmValid(psm)) {
31     std::unique_ptr<DynamicChannelService> invalid_service(new DynamicChannelService());
32     pending_registration.on_registration_complete_callback_.Invoke(
33         DynamicChannelManager::RegistrationResult::FAIL_INVALID_SERVICE, std::move(invalid_service));
34   } else if (IsServiceRegistered(psm)) {
35     std::unique_ptr<DynamicChannelService> invalid_service(new DynamicChannelService());
36     pending_registration.on_registration_complete_callback_.Invoke(
37         DynamicChannelManager::RegistrationResult::FAIL_DUPLICATE_SERVICE, std::move(invalid_service));
38   } else {
39     service_map_.try_emplace(
40         psm,
41         DynamicChannelServiceImpl(
42             pending_registration.security_policy_,
43             std::move(pending_registration.on_connection_open_callback_),
44             pending_registration.configuration_));
45     std::unique_ptr<DynamicChannelService> user_service(new DynamicChannelService(psm, this, l2cap_layer_handler_));
46     pending_registration.on_registration_complete_callback_.Invoke(
47         DynamicChannelManager::RegistrationResult::SUCCESS, std::move(user_service));
48   }
49 }
50 
Unregister(Psm psm,DynamicChannelService::OnUnregisteredCallback callback)51 void DynamicChannelServiceManagerImpl::Unregister(Psm psm, DynamicChannelService::OnUnregisteredCallback callback) {
52   if (IsServiceRegistered(psm)) {
53     service_map_.erase(psm);
54     callback.Invoke();
55   } else {
56     LOG_ERROR("service not registered psm:%d", psm);
57   }
58 }
59 
IsServiceRegistered(Psm psm) const60 bool DynamicChannelServiceManagerImpl::IsServiceRegistered(Psm psm) const {
61   return service_map_.find(psm) != service_map_.end();
62 }
63 
GetService(Psm psm)64 DynamicChannelServiceImpl* DynamicChannelServiceManagerImpl::GetService(Psm psm) {
65   ASSERT(IsServiceRegistered(psm));
66   return &service_map_.find(psm)->second;
67 }
68 
GetRegisteredServices()69 std::vector<std::pair<Psm, DynamicChannelServiceImpl*>> DynamicChannelServiceManagerImpl::GetRegisteredServices() {
70   std::vector<std::pair<Psm, DynamicChannelServiceImpl*>> results;
71   for (auto& elem : service_map_) {
72     results.emplace_back(elem.first, &elem.second);
73   }
74   return results;
75 }
76 
77 }  // namespace internal
78 }  // namespace classic
79 }  // namespace l2cap
80 }  // namespace bluetooth
81